\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Perceived citizen pressure index -- All treatment arms}
\begin{tabular}{l*{4}{c}}
\toprule
                    &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}\\
                    &\multicolumn{1}{c}{\textbf{\begin{tabular}[c]{@{}c@{}}Perceived \\citizen\\pressure\\index\end{tabular}}}&\multicolumn{1}{c}{\begin{tabular}[c]{@{}c@{}}Community\\ would find out:\\ staff no effort\end{tabular}}&\multicolumn{1}{c}{\begin{tabular}[c]{@{}c@{}}Community\\ would find out:\\ staff absent\end{tabular}}&\multicolumn{1}{c}{\begin{tabular}[c]{@{}c@{}}Any report\\ of staff\\ wrongdoing\\ in past 12 months\end{tabular}}\\
\midrule
Full treatment      &      -0.136   &      -0.102   &      -0.305*  &       0.014   \\
                    &     (0.101)   &     (0.155)   &     (0.161)   &     (0.148)   \\
Information and mobilization only&      -0.044   &       0.015   &      -0.057   &      -0.069   \\
                    &     (0.092)   &     (0.146)   &     (0.156)   &     (0.144)   \\
Interface only      &      -0.015   &      -0.073   &       0.045   &      -0.006   \\
                    &     (0.087)   &     (0.151)   &     (0.147)   &     (0.144)   \\
Constant            &       0.006   &       0.032   &      -0.008   &      -0.005   \\
                    &     (0.063)   &     (0.104)   &     (0.103)   &     (0.103)   \\
\midrule
N                   &         376   &         376   &         376   &         376   \\
R$^{2}$             &       0.109   &       0.118   &       0.117   &       0.118   \\
P-value (Information and mobilization = Interface)&       0.754   &       0.564   &       0.507   &       0.657   \\
P-value (Information and mobilization = Full treatment)&       0.385   &       0.458   &       0.148   &       0.568   \\
P-value (Interface = Full treatment)&       0.241   &       0.856   &       0.033   &       0.888   \\
\hline              &               &               &               &               \\
F-test (joint significance of all 3 treatment groups)&       0.658   &       0.262   &       1.726   &       0.132   \\
P-value (joint significance of all 3 treatment groups)&       0.578   &       0.853   &       0.161   &       0.941   \\
\bottomrule
\end{tabular}
\end{table}
